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高强度易切削非调质钢的研制

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Indexed by:期刊论文

Date of Publication:2018-04-25

Journal:热处理

Volume:33

Issue:2

Page Number:30-33

ISSN No.:1008-1690

Key Words:非调质钢;控轧空冷工艺;力学性能

Abstract:苏钢已研制出一种含0.38%~0.45%C、0.30%~0.60% Si、1.20%~1.50% Mn(质量分数)以及适量钒、铌和氮的高强度易切削非调质钢.直径140 mm的圆钢控轧、控冷后,其组织为珠光体和铁素体,力学性能为:Rel≥720 MPa,Rm ≥950 MPa,A≥20%,Z≥55%,AKu2 ≥60 J,优于相同尺寸的优质调质钢圆钢.

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